#include<bits/stdc++.h>
using namespace std;
int a[100005],t[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    scanf("%d",&n);
    for (int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        t[a[i]]++;
    }
    int ans=0;
    for (int i=1;i<=100000;i++)
        ans=max(ans,t[i]);
    printf("%d\n",ans);
    return 0;
}